One of the consequences of our planet's being warming up is a(n)_______ in the number of natural disasters.
Why didn’t Jim come to school this morning? ---Because there was _______ with his legs.
There is some doubt_______ he can win the first prize.
It is _____ that the Chinese ping-pong team will win the prize.
Could you tell me_________________?
In my opinion, the film is ______worth _______a second time.